Official NHA Assessment

Race 8: WORLD SPORTS BETTING MR 81 HANDICAP (Open)

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Line Horse
Gaudis Masterpiece
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
3 / 9
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Faire Advantage      3    56.0    1    0.00     0.5   75    72           75    +0
2    Path Of Choice       5    58.0    2    0.10     0.0   77    77           77    +0
3    Gaudis Masterpiece   3    58.5    3    1.35     0.5   80    80           80    +0
4    Silent Trigger       6    60.0    4    1.85     0.0   83    84           84    +1
5    Line Of Duty         3    57.5    5    2.05     0.5   78    78           78    +0
6    Ragnar Lothbrok      3    56.0    6    2.25     0.5   75    75           75    +0
7    Benjamin             4    59.0    7    3.25     0.5   79    80           80    +1
8    Portrayal            3    55.5    8    4.75     0.5   73    71           71    -2
9    Night Song           5    58.0    9    8.00     0.0   77    77           77    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Faire Advantage 75 71 75 -4 0.5 -
2 Path Of Choice 77 68 77 -9 0.0 -
3 Gaudis Masterpiece Line 80 80 80 ✓ Match 0.5
4 Silent Trigger 83 60 84 -24 0.0 -
5 Line Of Duty 78 75 78 -3 0.5 -
6 Ragnar Lothbrok 75 81 75 +6 0.5 -
7 Benjamin 79 75 80 -5 0.5 -
8 Portrayal 73 73 71 +2 0.5 -
9 Night Song 77 73 77 -4 0.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points